Colorimetric sensors play a crucial role in promoting on‐site testing, enabling the detection
and/or quantification of various analytes based on changes in color. These sensors offer …

In recent years, how to improve the functional performance of food packaging materials has
received increasing attention. One common inorganic material, nanometer zinc oxide (ZnO …

In this work, double-layer intelligent films were designed and synthesized based on
Broussonetia papyrifera fruit anthocyanin (BPFA), mica nanosheets (MN), konjac …

Using biodegradable films as smart packaging to monitor the freshness of meat in real time
is a promising and challenging work. Herein, the phosphorus-doped carbon dots (P-CDs) …

Alginate-based packaging materials have emerged as promising alternatives to
conventional petroleum-based plastics due to their biodegradability, renewability, and …

Active packaging, which can monitor food freshness and extend the shelf life, has gained
significant attention in recent years. This study aims to develop a novel carboxymethyl …

As a new type of packaging method, the anthocyanin-based pH-sensitive indicator film has
gained much attention owing to low cost, small size, and visually informative property. In this …

The demands of consumers for meat safety and quality have promoted the rapid
development of clear, intuitive, low-cost, and real-time monitoring technologies for meat …

Aquatic products were susceptible to spoilage during storage due to microorganisms and
enzymes, which could cause food safety problems. The electrospun nanofiber films, based …

Naturally sourced pH‐sensitive indicator films are of interest for real‐time monitoring of food
freshness through color changes because of their safety. Therefore, natural pigments for …